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damkieunga2k2
2 năm trước
1/$x^{2}$ - 5$x^{}$ + 4 > 0 2/$\frac{2x^{}-6}{x^{}+4}$ > 0 3/5 - $\frac{x+5}{x^{}-1}$ < 0 Giải bất phương trình lớp 8 ai biết giúp em với nha
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